Productivity gains with MNB Moulds

Based in the West Midlands, MNB Moulds are a tool maker who specialise in multi-cavity, highly accurate hardened steel tools primarily for the automotive, medical and electrical markets. Originally established in 1974, MNB have a turnover of approximately £1.2 million and produce 50-70 moulds per year with prestige customers that include Eaton Corporation, Honeywell, MK Electric Co and Cable Management Group.

Frank Ryan, Managing Director and owner since 2000 and has always invested in the latest machinery and CAD/CAM technology and have been using the VISI product suite from Vero Software since 2002. Detailing how the software is being used, Frank explains "We have been using the software extensively for 3D tool design and complex machining. However, when machining bolster plates, 2D design information was being passed to the CNC machines for MDI input. This process was labour intensive and open to manual operator error."

"We have had tremendous success with improving our quality and efficiency over the years with a particularly significant step in productivity in the last twelve months. This is in large part down to the investment we have made in automating our 2D machining and standardising on an integrated CADCAM solution."

Frank Ryan

"I have visited a number of toolrooms across Europe, especially Germany where my eyes were opened to what is possible through the use of specialised technology. My goal was to make the company more productive so we invited Vero to study our manufacturing processes to see how they could help. After a number of internal reviews to better understand the process bottlenecks, operator skill levels etc, a plan was put in place to reassess the tooling requirements, fully train our operators on the latest software developments and move towards fully automated 2D machining through the use of Vero's Compass Technology. We have had tremendous success with improving our quality and efficiency over the years with a particularly significant step in productivity in the last twelve months. This is in large part down to the investment we have made in automating our 2D machining and standardising on an integrated CADCAM solution."

Frank Ryan continues, "We were already a happy Vero customer but recognised that some of our manufacturing processes could be improved to maximise our productivity. Not only did we implement additional software, we also moved onto a network license to provide extra flexibility within the toolroom. Now everyone has access to the data, the designers and machinists together can now develop a clear plan as to how the tooling would best be manufactured. This includes incorporating multiple inserts in to one block that can be rough milled, hardened, ground and wire cut into individual parts – unattended."

The advantages of the software consolidation can be easily identified in a recent project for an environmentally friendly milk dispenser. With a firm focus now on ways to reduce packaging waste, milk cartons are certainly one item in the spotlight. Britons consume 9.3 billion pints of milk every year - and only 1 in 4 plastic milk bottles are actually recycled. The remaining 3 in 4 cartons go to landfill creating unnecessary waste. The JUGIT project is aimed at those concerned about the associated environmental impact. Consumers need to buy one jug, then bags of milk to fill the unit. This concept is new to Britain, but has been available elsewhere for some time where milk sold in bags is already a regular choice for 60% of consumers in Canada, Poland, South Africa and China. The JUGIT milk bags are made from very strong low density polyethylene and use 75% less packaging than standard plastic bottles.

MNB Moulds have manufactured tooling for a number of components including a two impression tool for the handle, a four impression tool for the spout spike and an eight impression tool for the clamping mechanism. Focussing on the four impression spike tool, Frank explains, "the complete tool was designed, cut and built within a 1,000 hour window. The implementation of the Compass Technology has resulted in a 20% increase in our machining productivity and reduced the need for detailed tool drawings as setup sheets are generated automatically for all toolpaths. Just for this single tool we have saved approximately 60 hours of machining time alone. If we roll out these productivity improvements throughout a typical year (10,000 machining hours), I would expect to save in excess of £60,000 per annum."

Concluding, Frank states "Moving to an entirely integrated solution has had a very important impact on our business as well as better synergy across personnel. The improvements in 2D machining have also saved the cost of one of the turret mill operators who recently retired and whose work has been absorbed within the CNC milling section with the additional capacity created. Vero continually develop products that cover the design and manufacturing needs of a toolroom like mine and have firmly established themselves as an integral part of our future."

About The Company:

Name: MNB Moulds

Benefits Achieved:

Integrated CADCAM solution for design & manufacture

Automated 2D machining using Compass Technology

20% increase in machining productivity

Comments:

"We have had tremendous success with improving our quality and efficiency over the years with a particularly significant step in productivity in the last twelve months. This is in large part down to the investment we have made in automating our 2D machining and standardising on an integrated CADCAM solution."

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